Instead of FBReader
FBReader alternatives
FBReader is a free ebook reader for desktop and mobile devices, with support for ePub, fb2, mobi, HTML, RTF and plain text. It opens ePub books protected with Readium LCP, and its Book Network syncs collections, reading positions, bookmarks and custom shelves across supported devices. Online OPDS catalogues are available on Android, Windows, macOS and Linux. Android Premium adds PDF and comics support, translation integrations and automatic reading aloud; it costs $14.99 as a one-time purchase.
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FreshRSS
Free plan Open source AndroidAPIExtension+6Following and searching website, podcast and video feeds — FreshRSS organizes searchable RSS and Atom feeds rather than ebooks, with feed tools, WebSub updates and APIs for mobile clients.
Free plan Visit site - 2
ReadTheory
Free plan AndroidiPhoneMac+2Adaptive reading comprehension practice for students — ReadTheory provides adaptive comprehension practice with standards-aligned texts and student progress reports, rather than an ebook library.
Free plan · paid from $40/mo Visit site - 3
AndBible
Free plan AndroidiPhoneLinux+1Offline Bible study with reference tools — AndBible centers offline Bible study, with commentaries, dictionaries and study tools instead of general ebook formats.
Free plan Visit site - 4
BookFusion
Free plan AndroidAPIExtension+2Syncing and organizing a digital ebook library — BookFusion adds web reading, offline downloads, library organization and Calibre integration alongside ebook format support.
Free plan · paid from $1.99/mo Visit site - 5
Duolingo
by DuolingoFree plan AndroidiPhoneMac+1Language learning with speech and offline lessons — Duolingo offers language lessons with speech practice, placement tests and personalized review rather than ebook reading.
Free plan · 14-day trial Visit site - 6
Headway
Free plan AndroidiPhoneMac+1Short nonfiction summaries in text or audio — Headway offers 2,500+ nonfiction book summaries with guided learning, quizzes and audio, rather than full ebooks.
Free plan · 7-day trial Visit site - 7
JW Library
Free plan AndroidiPhoneMac+1Bible reading and personal study across languages — JW Library focuses on Bible-based publications, media and study tools, with content in over 1,000 languages.
Free plan Visit site - 8
ImageGlass
Free plan Open source APILinuxMac+1 - 9
Librera Reader
Free plan Open source AndroidExtensioniPhone+2 - 10
Foxit PDF Reader
Free plan AndroidiPhoneMac+2 - 11
Apple Books Digital Narration
Free plan Web - 12
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Kobo Books
Free plan AndroidiPhoneWeb - 14
Mozilla PDF.js
Free plan APIExtensionLinux+2 - 15
MuPDF
Free plan AndroidiPhoneLinux+4 - 16
Google Play Books Auto-narrated Audiobooks
Free plan Web7.1 Visit site - 17
Kindle Create
Free plan MacWindows - 18
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Okular
Free plan LinuxMacWindows - 20
qView
Free plan LinuxMacWindows - 21
ReadEra
Free plan AndroidiPhoneMac - 22
Moon+ Reader
Free plan Android - 23
SumatraPDF
Free plan Windows - 24
Universal Viewer
Free plan Windows - 25
Papers
Free plan Linux - 26
KOReader
Free plan AndroidLinuxMac - 27
Thorium Reader
Free plan iPhoneLinuxMac+1 - 28
XnView MP
Free plan LinuxMacWindows - 29
XnView Classic
Free plan Windows - 30
File Viewer Plus
Paid Windows
The fit depends on what you want to read and where. FBReader’s free iOS version is limited to ten books, disables online translators and lacks third-party OPDS catalogue support. Android file access can also be slower under the Storage Access Framework. The alternatives below are not all ebook readers: some focus on feeds, comprehension practice, Bible study, language learning or short nonfiction summaries. Compare their content and tools with FBReader’s format support, syncing and platform coverage, and consider whether you need a dedicated ebook library or a different kind of reading experience.